Information on Result #1821229
OA(12845, 65538, S128, 20), using discarding parts of the base based on linear OA(25639, 65538, F256, 20) (dual of [65538, 65499, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(18) [i] based on
- linear OA(25639, 65536, F256, 20) (dual of [65536, 65497, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(25637, 65536, F256, 19) (dual of [65536, 65499, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(2560, 2, F256, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(2560, s, F256, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
Mode: Constructive.
Optimality
Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | OA(12855, 65667, S128, 20) | [i] | (u, u+v)-Construction | |
| 2 | OOA(12845, 32769, S128, 2, 20) | [i] | OOA Folding | |
| 3 | OOA(12845, 21846, S128, 3, 20) | [i] | ||
| 4 | OOA(12845, 16384, S128, 4, 20) | [i] | ||
| 5 | OOA(12845, 6553, S128, 20, 20) | [i] | OA Folding and Stacking | |